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<title>IsScreenOn 判断设备是否亮屏</title>
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<tr><th width="100">命令名称：</th><td class="name">
<a name="IsScreenOn "></a> IsScreenOn
</td></tr><tr><th>命令功能：</th><td>
判断设备是否亮屏
</td></tr><tr><th>语法格式：</th><td class="yufa">
IsScreenOn()
</td></tr><tr><th>参数说明：</th><td class="canshu"><pre>无</pre>

</td></tr><tr><th>返回值：</th><td class="fanhui">
布尔型,亮屏返回true,熄屏返回false
</td></tr><tr><th><span class="red">脚本例子：</span>
</th><td class="lizi"><PRE id="code">  
TracePrint ShanHai.IsScreenOn()<span class="green">'是否亮屏</span>
</PRE><script type="text/javascript" src="../../write.js"></script>
</td></tr><tr><th>备注：</th><td class="beizhu"><pre>判断是否亮屏原理是检测光感是否开启</pre>

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